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ASN Lookup Tool
AS25248 BlueTone-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS25248
Organisation
RADIOKOMUNIKACE a.s.
Name
BlueTone-AS
Total IPv4 Addresses
106,736
Total IPv4 Prefixes
5
Total IPv6 Prefixes
2
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,895 out of 79,632
Registry
Ripe
Registered Country
CZ flagCZ
Registered Country Name
Czechia
Registered Date
2002-09-20
Registration Last Change
2025-12-15
Receiving From
ASN
Organisation
AS174
US flagCogent Communications, LLC
AS6461
US flagZayo Bandwidth
AS6939
US flagHurricane Electric LLC
AS1299
SE flagArelion Sweden AB
AS49544
NL flagi3D.net B.V
Showing 5 of 14
Transit To
ASN
Organisation
AS196822
CZ flagSELECT SYSTEM, s.r.o.
AS25192
CZ flagCZ.NIC, z.s.p.o.
AS39790
CZ flagWeb4U s.r.o.
AS47110
CZ flagCloud4com s.r.o.
AS57496
CZ flagPraha1.net z.s.p.o.
Showing 5 of 25
IPv4 Active Prefixes
PrefixRange FromRange To
82.99.128.0/1882.99.128.082.99.191.255
84.244.64.0/1884.244.64.084.244.127.255
85.207.0.0/1685.207.0.085.207.255.255
193.32.56.0/24193.32.56.0193.32.56.255
212.158.128.0/19212.158.128.0212.158.159.255
IPv6 Active Prefixes
PrefixRange FromRange To
2001:67c:2100::/482001:67c:2100::2001:67c:2100:ffff:ffff:ffff:ffff:ffff
2a02:a40::/322a02:a40::2a02:a40:ffff:ffff:ffff:ffff:ffff:ffff